We've been debating this question with a client. In a table which displays percentages, should the percent sign % be displayed once in the header of the column Header (%) or in each of the cells 80 %.
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I suspect that part of my problem is that I am not a native english speaker but here it is. I have a table with column header labels. One of these columns contains the "number of messages received". ...

I have a table of data that I need to display to my users that contains events that are either in progress or completed. My problem is that the names that have been suggested for this column header ...

I ask myself, is it better for users to use a generic grid with letters as column labels instead of numbers ?
Excel, OpenOffice and Google Spreadsheet do it by default but I'm often confuse.
I have ...

I am designing a control where the 1st column, 'Investment Categories,' corresponds with lots of purposes shown on the right. The users need to be able to add additional Purpose Columns as they work ...

We have a big table where user enters hours for each day of a time period (14 slots for day inputs)
each row represents a task.
the Dev team wants to incorporate tasks from another system into that ...

Many Microsoft softwares, like the Office suite and the Windows Explorer, feature a type of column filter that they have dubbed the Autofilter.
It filters rows based on column content.
It adapts the ...

I want to combine two things in the list header in our product:
Sort highlight like Spotify. We have a small sorting arrow indicator, but adding a highlight to the header of the sorted column makes ...

I have a tree table that allows the user to group columns arbitrarily. Is it bad UX for me to move the grouped by columns to the front of the table right next to the tree controls? Would it be more ...